Black Rock

#090A2B

General Information about #090A2B

The hex color #090A2B, also known as Black Rock, is a very dark shade of blue-black. It is composed of 3.53% red, 3.92% green, and 16.86% blue. In the RGB color model, #090A2B consists of 3.53 red, 3.92 green and 16.86 blue. In a CMYK color space, it is composed of 79.17% cyan, 76.56% magenta, 0% yellow and 83.14% black. Its primary attribute is its depth and subtlety, making it a popular choice for backgrounds and accents where a dark, understated hue is desired. It can be seen as a variant of black but with a hint of blue. The color falls into the family of cool colors. The black rock color is very similar to other dark blue shades of black, making the use cases very similar.

The hex color #090A2B, also known as Black Rock, presents significant accessibility challenges, primarily due to its very low luminance. When used as a background color, it requires extremely light text to ensure sufficient contrast for readability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Given the darkness of Black Rock, achieving this contrast can be difficult, potentially excluding users with visual impairments. Therefore, it's crucial to carefully select text colors and sizes, and to provide alternative high-contrast themes for users who require them. Furthermore, avoid using this color for essential visual elements like buttons or links without clear and contrasting indicators. Thorough accessibility testing is necessary to ensure that the color scheme meets the needs of all users.

Shades

Digital Color Formats

RGB
9 10 43
RGB9 10 43
Red
Green
Blue
HSL
238.24deg 65.38% 10.2%
238.2465.3810.2HSL
Hue
Saturation
Lightness
HWB
238.24deg 3.53% 83.14%
238.243.5383.14HWB
Hue
Whiteness
Blackness
hex#090A2B
rgb9 10 43
hsl238.24deg 65.38% 10.2%
cmyk79.07% 76.74% 0% 83.14%
hwb238.24deg 3.53% 83.14%
xyz-d650.01 0 0.02
oklch0.1702 0.0654 275.61
oklab0.1702 0.01 -0.07
CMYK
79.07% 76.74% 0% 83.14%
79.0776.74083.14CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.02
0.0100.02XYZ
X
Y
Z
OKLCH
0.1702 0.0654 275.61
0.17020.0654275.61LCH
Lightness
Chroma
Hue
OKLAB
0.1702 0.01 -0.07
0.17020.01-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons